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   Arcadia Reference - Functional Analysis
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   <h1>
    <a href="../ARCADIA/269fd7dfae9f4bae8710a6fe53bf78dd.html">
     Functional Analysis
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     Engineering interaction
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     Engineering activities
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     Engineering Activities &amp; Perspectives
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     DESIGN THE SOLUTION ARCHITECTURE
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     Design PHYSICAL ARCHITECTURE
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     Functional Analysis
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   <p>
    <p>
     Interactions or exchanges between functions are formalised through functional exchanges.
    </p>
    <p>
     Each exchange links one function output to one function input. These inputs/outputs are formalised as function ports; the set of ports allocated to a function caracterises the way it should be used.
    </p>
    <p>
     The description of functions and exchanges linking them is known as functional dataflow.
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    <p>
    </p>
    <p>
     The nature of what is exchanged between two functions is expressed as one (or several) exchange items. Each of them is linked to one or several exchanges carrying them. An exchange item references data of the global data model.
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   <h2>
    Source activity
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     <img alt="PhysicalFunction" src="../icon/PhysicalFunction.gif"/>
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      Complement  and detail internal functional Analysis
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    Destination activity
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      Check each engineering/architecting decision against physical viewpoints
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    Interaction Content
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     <a href="../ARCADIA/659bd7a10f254e229a282ec98b1834ba.html">
      Constraints
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      Users/Actors in PA
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      Scenarios in PA
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      Modes &amp; states in PA
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     <img alt="ExchangeItem" src="../icon/ExchangeItem.gif"/>
     <a href="../ARCADIA/cb8ee4048f5e4bd79fdf1cfb23036ace.html">
      Allocated Exchange Items in PA
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     <img alt="ExchangeItem" src="../icon/ExchangeItem.gif"/>
     <a href="../ARCADIA/2f05ad853f0245eb8f06c95c48ad2cfe.html">
      Functional chains in PA
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     <img alt="ExchangeItem" src="../icon/ExchangeItem.gif"/>
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      Functional dataflow in PA
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      Functional Breakdown in PA
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      System Capabilities in PA
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      Allocated Data in PA
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      Finalised functional Analysis
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    Diagrams displaying this interaction
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      2-Design PHYSICAL ARCHITECTURE - Contents
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      3-Define finalised functional and non-functional Behavior - Context
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      3-Build candidate detailled Architectures - Context
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     <a href="../ARCADIA/6a3284b8a66748a597631eb95e8e8c55.html#_d5BkQHcaEe2lVaNV4qOrAA">
      1 - First Level Tasks of Architecture Definition Perspectives
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